function toggleSearch () {
	var field = document.getElementById ( 'search-term' );
	
	if ( ! field ) return;
	
	if ( field.value == 'Αναζήτηση:' ) field.value = '';
	else if (field.value == '') field.value = 'Αναζήτηση:';
}

function installSearch () {
	if ( document.getElementById ( 'search-term' ) ) {
		var field = document.getElementById ( 'search-term' );
		if ( field.addEventListener ) {
			field.addEventListener ( 'focus', toggleSearch, false );
			field.addEventListener ( 'blur', toggleSearch, false );
		} else if ( field.attachEvent ) {
			field.attachEvent ( 'onfocus', toggleSearch );
			field.attachEvent ( 'onblur', toggleSearch );
		} else {
			field.onfocus = toggleSearch;
			field.onblur = toggleSearch;
		}
	}
}

if ( window.addEventListener ) window.addEventListener ( 'load', installSearch, false );
else if ( window.attachEvent ) window.attachEvent ( 'onload', installSearch );
else window.onload = installSearch;